celebration
/ˌselɪˈbreɪʃən/noun
mass noun
- the action of marking one's pleasure at an important event or occasion by engaging in enjoyable, typically social, activity庆祝, 欢庆：
the birth of his son was a cause for celebration.
他生了个儿子, 这是庆贺的原因
count noun a birthday celebration.一次生日庆祝。
词源
early 16th cent.: from Latin celebratio（n-）， from the verb celebrare （see CELEBRATE）.